Bosch

9905 Tungsten Carbide Cutter

SKU: D9905
Lititz, PA
M-F 6:30am-8:30pm; Sat 6:30am-4:00pm
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Features chevron-down chevron-up
Tungsten Carbide Cutters are versatile, high-quality, high-speed tools made from tungsten carbide—the hardest material next to diamonds—and are designed for use with rotary tools. They are ideal for shaping, smoothing, or removing material from hard surfaces, including hardened steel, stainless steel, cast iron, nonferrous metals, fired ceramics, plastics, and hard woods. For best results and effective cutting, users should utilize the sides of the cutter rather than the tip, which cuts poorly and can easily break under pressure. It is important not to use the cutter for drilling or enlarging small holes, as the tungsten carbide surface can catch and break the bit. To ensure a firm hold on the bit, insert the accessory fully into the tool and then back it out slightly before tightening. Users should secure their workpiece to a stable surface and adjust the rotary tool's speed based on the material: higher speeds for hard woods, slower speeds for metals, and very slow speeds for plastics to avoid melting; if the tool chatters, the speed should be increased.
  • Shapes, smooths, or grinds especially hard materials including: hardened steel, stainless steel, cast iron, nonferrous metals, fired ceramics, plastics, and hard woods
  • Made of tungsten carbide: the hardest material next to diamonds
  • A versatile, high-quality cutter
  • For use with rotary tools
  • Do not use this cutter for drilling holes or for enlarging holes that are less than twice the diameter of the cutter
  • For best results, insert the accessory bit all the way into the tool and then back it out slightly before tightening down
  • Secure objects to a stable surface while working
  • Use the sides of the cutter (rather than the tip) for effective cutting
Specifications chevron-down chevron-up
Brand Bosch
Date Added Jan 22, 2026
UPC 080596099053
Package Length (in) 0.59"
Package Width (in) 2.01"
Package Height (in) 4.02"
Manufacturer Part Number 9905
Bit Size 1/8"
Color / Finish Metal
Color Code Teal
Country of Origin United States of America
Etched / Stamped Size Identification No
Material Tungsten Carbide
Overall Length 1.5"
Package Quantity 1
Recommended Bit / Blade Material Application Carving Hard Materials
Shank Diameter 0.125"